diff --git a/src/x9d/STM32_USB-Host-Device_Lib_V2.1.0/Libraries/STM32_USB_Device_Library/Class/msc/inc/usbd_msc_core.h b/src/x9d/STM32_USB-Host-Device_Lib_V2.1.0/Libraries/STM32_USB_Device_Library/Class/msc/inc/usbd_msc_core.h
index 1697e492c..6a22d7387 100644
--- a/src/x9d/STM32_USB-Host-Device_Lib_V2.1.0/Libraries/STM32_USB_Device_Library/Class/msc/inc/usbd_msc_core.h
+++ b/src/x9d/STM32_USB-Host-Device_Lib_V2.1.0/Libraries/STM32_USB_Device_Library/Class/msc/inc/usbd_msc_core.h
@@ -29,7 +29,7 @@
 #ifndef _USB_MSC_CORE_H_
 #define _USB_MSC_CORE_H_
 
-#include  "usbd_ioreq.h"
+#include  "../../../Core/inc/usbd_ioreq.h"
 
 /** @addtogroup USBD_MSC_BOT
   * @{